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JST to PST converter
Japan Standard Time
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Pacific Time
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Pacific Time is 16 hours behind Japan Standard Time for most of the year, and 17 hours behind for part of it, because the two change their clocks on different dates (or only one of them changes at all).
When does the difference change?
In 2026:
- January 1 to March 7: Pacific Time is 17 hours behind Japan Standard Time
- March 8 to October 31: Pacific Time is 16 hours behind Japan Standard Time
- November 1 to December 31: Pacific Time is 17 hours behind Japan Standard Time
Questions
What time is 9 AM JST in PST?
For most of the year, 9 AM Japan Standard Time is 5 PM the day before Pacific Time. For part of the year it is 4 PM the day before, because of daylight saving time.
How many hours ahead or behind is PST from JST?
Pacific Time is 16 hours behind Japan Standard Time for most of the year, and 17 hours behind for part of it, because the two change their clocks on different dates (or only one of them changes at all).
Does the JST to PST difference change?
Yes. It changes 2 times in 2026 because of daylight saving time.
About these time zones
JST to PST, hour by hour
| Japan Standard Time | Pacific Time |
|---|---|
| 12 AM | 8 AM (previous day) |
| 1 AM | 9 AM (previous day) |
| 2 AM | 10 AM (previous day) |
| 3 AM | 11 AM (previous day) |
| 4 AM | 12 PM (previous day) |
| 5 AM | 1 PM (previous day) |
| 6 AM | 2 PM (previous day) |
| 7 AM | 3 PM (previous day) |
| 8 AM | 4 PM (previous day) |
| 9 AM | 5 PM (previous day) |
| 10 AM | 6 PM (previous day) |
| 11 AM | 7 PM (previous day) |
| 12 PM | 8 PM (previous day) |
| 1 PM | 9 PM (previous day) |
| 2 PM | 10 PM (previous day) |
| 3 PM | 11 PM (previous day) |
| 4 PM | 12 AM |
| 5 PM | 1 AM |
| 6 PM | 2 AM |
| 7 PM | 3 AM |
| 8 PM | 4 AM |
| 9 PM | 5 AM |
| 10 PM | 6 AM |
| 11 PM | 7 AM |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.